I also have this bug with Lubuntu 16.04 LTS 64-bit fresh install on a Samsung N210.
Alt+Ctrl+F1 -> Alt+Ctrl+F7 "solves" temporarily -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1568604 Title: Mouse cursor lost when unlocking with Intel graphics To manage notifications about this bug go to: https://bugs.launchpad.net/xorg-server/+bug/1568604/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp